{"dataset":"MainBuyer UK price observations","market":"GB","market_name":"United Kingdom","methodology":"Each observation is stored only when MainBuyer has a timestamped checked retailer offer. Missing days are not interpolated or invented. Historical low, high and median figures use recorded in-stock observations only.","observations":[{"currency":"GBP","in_stock":true,"observed_at":"2026-09-17T12:29:45+00:00","price":"79.99","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B09FK5MGP7?maas=maas_adg_api_578495573240933406_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PBee25b29f1520178f461dd1d94d99677f&aa_adgroupid=785912b18d0ed869611b21688ac1423f_PBSEP_!!!affid!!!_118045_&aa_creativeid=680fcr1xuhrZ30eraovNHCm0Pn4x_axrJp_aWuqf30_bJv0Mwg_c"}],"product":{"brand":"TopdonVC-UK","evidence_url":"https://www.mainbuyer.com/evidence/products/topdon-car-battery-tester-bt300p-a-12v-24v-2-4-color-screen-with-printer-b09fk5mgp7/prices","gtin":null,"id":11758,"model_number":null,"name":"TOPDON Car Battery Tester BT300P-A 12V/24V, 2.4\" Color Screen with Printer\"","product_url":"https://www.mainbuyer.com/product/topdon-car-battery-tester-bt300p-a-12v-24v-2-4-color-screen-with-printer-b09fk5mgp7","urn":"MB-AWIN-GB-B09FK5MGP7"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"79.99","historical_low":"79.99","last_observed_at":"2026-09-17T12:29:45+00:00","low_30d":"79.99","low_90d":"79.99","median_price":"79.99","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-09-17T12:29:45+00:00"}}